Mmetụta nke ọkụ na-adịghị ike ONU na ọsọ netwọk

ONU bụ ihe anyị na-akpọkarị "puku ọkụ", ONU obere ọkụ na-ezo aka n'ihe na ike anya nke ONU natara dị obere karịa nnabata nke ONU.Mmetụta nnabata nke ONU na-ezo aka na ike anya opekempe nke ONU nwere ike nweta n'oge arụ ọrụ nkịtị.Na-emekarị, nnabata uche index nke brọdband ụlọ ONU bụ -27dBm;ya mere, ONU na-anata ike anya dị ala karịa -27dBm ka a na-akọwakarị dị ka ọkụ adịghị ike ONU.

ONU bụ ihe anyị na-akpọkarị "puku ọkụ", ONU obere ọkụ na-ezo aka n'ihe na ike anya nke ONU natara dị obere karịa nnabata nke ONU.Mmetụta nnabata nke ONU na-ezo aka na ike anya opekempe nke ONU nwere ike nweta n'oge arụ ọrụ nkịtị.Na-emekarị, nnabata uche index nke brọdband ụlọ ONU bụ -27dBm;ya mere, ONU na-anata ike anya dị ala karịa -27dBm ka a na-akọwakarị dị ka ọkụ adịghị ike ONU.

Enwere ọtụtụ ihe na-emetụta ahụmịhe ịntanetị onye ọrụ.Ọkụ dị ala nke ONU na-emetụta ọsọ netwọkụ.Iji nwalee mmetụta nke ọkụ adịghị ike ONU na ọsọ netwọk onye ọrụ, Laodingtou wuru ụdị nnwale a.

Jikọọ ihe attenuator na-agbanwe agbanwe na mita ike anya PON n'usoro n'etiti eriri akpụkpọ anụ na ONU, ka e wee nwee ike iji mita ike anya PON tụọ ike anya anya nke ONU (ike anya anya nke ala nke ule).Ọdịiche dị n'etiti ike anya ngwa anya nke ONU natara bụ ihe dịka 0.3dB (1 fiber jumper na-ebelata nkwụsị nke njikọ na-arụ ọrụ).Ebe nnwale ahụ dị ka nke a.

Site n'ịgbanwe attenuation nke attenuator na-agbanwe agbanwe, attenuation nke njikọ ODN nwere ike ịba ụba, na ike nke ngwa anya nke ONU nwere ike gbanwee.A na-anwale mgbanwe ọsọ netwọkụ site na iji eriri netwọk jikọọ laptọọpụ na ONU.A na-eji usoro a nwalee brọdband nke 300M nke Laodingtoujia, na nsonaazụ ule bụ ndị a.

Ezi mmetụta nnabata nke ọtụtụ ONU dị mma karịa ndeksi n'ihe dịka 1.0dB.Dịka ọmụmaatụ, ndị ONU na ule a ka nwere ike ịrụ ọrụ nke ọma mgbe ike anya na-anata dị elu karịa -27.98dBm.Mgbe ike ngwa anya enwetara dị ala karịa -27.98dBm, ọsọ netwọk downlink na-ada ngwa ngwa site na mbelata nke ike anya enwetara, ma na-edobe ọsọ netwọk dị ala n'ime ụfọdụ ike anya ruo mgbe a kwụsịrị netwọk ahụ kpamkpam.